As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT WITH POWER BACK THERE WAS A VERY BAD SMELL LIKE DIRTY SOCKS IN THE CABIN & FLIGHT DECK. FOUND OIL IN LOAD COMPRESSOR DRAIN CAVITY. REPLACED APU REF T/C'S 78349010 78349000 78349001 78349008 78349015 & 78349016 AND MM 49 11 00.